added `==` for PJsonNode
adding header pragma for printf ffi example
added json.hash
fix #1241
header pragma set to '<stdio.h>' in importc section
Merge pull request #1238 from klaufir/devel

adding header pragma for printf ffi example
Generalize accent parsing
More descriptive error message in semtypes enum
Fix accents in enums
Clean up code
Add test
fix bug with unexpected tkInvalid,tkEof,tkComment
updated grammer, fixed oversight
Merge pull request #1243 from fowlmouth/patch-4

fix #1241
Merge pull request #1174 from fowlmouth/patch-2

added `==` for PJsonNode
Capitalised enum value names in JSON module.
Adds docstring example to system.fieldPairs.
Adds do notation example to algorithm.sort.
Avoids temporal string in tables hashing example.
Adds to tables module example of reference type vs value type.